Home / 7,648,536.19-10,555,742.40-5,711,433.74

Finding the Fourth Proportional to 7,648,536.19, 10,555,742.40 and 5,711,433.74

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Solution

The fourth proportional to 7,648,536.19, 10,555,742.40 and 5,711,433.74 is: 7,882,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,536.19 : 10,555,742.40 = 5,711,433.74 : x
  2. Step 2: Convert to fraction form
    7,648,536.19/10,555,742.40 = 5,711,433.74/x
  3. Step 3: Cross multiply
    7,648,536.19x = 10,555,742.40 × 5,711,433.74
  4. Step 4: Simplify right side
    7,648,536.19x = 60,288,423,300,163.96
  5. Step 5: Solve for x
    x = 60,288,423,300,163.96/7,648,536.19
  6. Step 6: Final answer
    x = 7,882,347.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.